Montgomery County Assessment Office in Montgomery County, Maryland

When visiting the county assessor's office, bring your property's parcel number or street address to quickly locate your assessment record, and bring supporting documentation if you are disputing a valuation. Montgomery County Assessment Office is located at 30 West Gude Drive, Rockville, MD. Many assessor offices also maintain online portals where you can review your assessed value and exemption status before visiting in person.

About Montgomery County Assessment Office

The Montgomery County Assessment Office, located in Rockville, Maryland, determines the value of all taxable property in Montgomery County, MD. Taxable property includes land and commercial properties, often referred to as real property or real estate, and fixed assets owned by businesses, often referred to as personal property. Property assessments performed by the Assessor are used to determine the Montgomery County property taxes owed by individual taxpayers.

• Property assessment values and annual reassessment notices for parcels in Montgomery County Assessment Office's jurisdiction
• Homestead, senior citizen, veteran, and disability exemption applications
• Formal assessment appeals and informal review requests
• GIS parcel maps, property boundary data, and ownership record corrections